This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A347780 #6 Sep 13 2021 11:37:52
%S A347780 1,1,2,4,7,14,26,45,71,105,151,214,291,379,473,593,744,919,1095,1301,
%T A347780 1563,1884,2203,2536,2929,3427,3929,4433,4979,5692,6422,7158,7904,
%U A347780 8863,9844,10830,11810,13078,14378,15706,17007,18718,20424,22165,23803,26025
%N A347780 Number of compositions (ordered partitions) of n into at most 5 squarefree parts.
%t A347780 Table[Length@Flatten[Permutations/@IntegerPartitions[n,5,Select[Range@n,SquareFreeQ]],1],{n,0,45}] (* _Giorgos Kalogeropoulos_, Sep 13 2021 *)
%Y A347780 Cf. A005117, A280194, A341065, A347777, A347778, A347779.
%K A347780 nonn
%O A347780 0,3
%A A347780 _Ilya Gutkovskiy_, Sep 13 2021